Liquid argon (LAr) is a liquid argon gas with the chemical formula Ar. It is a colorless, odorless, and non-toxic inert gas that is slightly soluble in water. Its melting point is -189.2 ℃ and boiling point is -185.9 ℃. Liquid argon is mainly prepared by air separation method and has a high content in air. It is a rare gas. It has wide applications in various fields such as industry, healthcare, and food processing, such as as as a coolant, gas protectant, rocket propellant, etc. It is also commonly used in industries such as photovoltaics, semiconductor manufacturing, metal cutting and welding.
Liquid oxygen (LO₂) is the liquid form of oxygen, appearing light blue and transparent. At standard atmospheric pressure, its boiling point is -182.96 degrees Celsius. As an efficient oxidant, liquid oxygen plays an important role in various fields such as medical, industrial, and aerospace. In the medical field, it is used for oxygen supply in hospitals and emergency stations to help patients maintain their lives. In industry, liquid oxygen is commonly used in steel smelting, non-ferrous metal smelting, and chemical product production to improve production efficiency and product quality. In addition, liquid oxygen is also used as a combustion aid for rocket engines, providing power for spacecraft launch and operation. Due to its low-temperature characteristics and high purity requirements, the production, storage, and transportation of liquid oxygen must strictly comply with safety regulations.
Qingdao Guida Special Gas Co., Ltd
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